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Patent Searching and Data


Title:
EXCITER
Document Type and Number:
WIPO Patent Application WO/2021/210605
Kind Code:
A1
Abstract:
The present invention has: a magnetic circuit 2 that is fixed to a support member 11; and a voice coil 3 that is fixed to a vibration member 1 and can move relative to the magnetic circuit 2. The present invention also comprises a guide member 10 that is fixed to the voice coil 3 and comprises a part that abuts the vibration member 1. A pressed part 17 is provided to the guide member 10 such that a prescribed distance from the magnetic circuit 2 is maintained. When the voice coil 3 is fixed to the vibration member 1, the pressed part 17 is positioned so as to abut the magnetic circuit 2 or the support member 11 when the magnetic circuit 2 has been pressed toward the voice coil 3.

Inventors:
IDA KAZUKI (JP)
Application Number:
PCT/JP2021/015437
Publication Date:
October 21, 2021
Filing Date:
April 14, 2021
Export Citation:
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Assignee:
FOSTER ELECTRIC CO LTD (JP)
International Classes:
B60R11/02; H04R1/00; H04R7/04; H04R9/02; H04R9/04
Foreign References:
JP2004241801A2004-08-26
JP2002016993A2002-01-18
JPS5848187U1983-03-31
Attorney, Agent or Firm:
KIUCHI Mitsuharu et al. (JP)
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